In an announcement made late last week, the area was described as "one of the State's busiest freight corridors".

Minister for Regional Transport and Roads Paul Toole said work to upgrade heavy vehicle inspection bays on both sides of the Newell Highway near Back Yamma Road at Daroobalgie between Parkes and Forbes will start this month.

"This upgrade to the heavy vehicle inspection bays at Daroobalgie will include a new inspection shed, boom gates, improved safety barriers and resurfacing of the road approaches," he said.

"It will ultimately improve efficiency and safety by enabling more heavy vehicles to be checked at different times of the day."

Member of the Legislative Council Sam Farraway said the work would start Monday, March 8 and support about 15 jobs.

"Our Heavy Vehicle Inspectors play a critical role in ensuring the safety of trucks on our roads but some of the inspection facilities themselves are quite basic," Mr Farraway said.

"The existing heavy vehicle inspection bays will have roofs built over them to protect workers and freight operators from the elements.

"A new amenities block including a shower, toilets and small storage room with disabled access ramp will also be built."

During the work, which is expected to be completed in late April, heavy vehicle inspections will still be carried out along the Newell Highway in various locations.

Motorists are advised to follow the direction of traffic control and all signs, including reduced speed limits.

For more information on the upgrade, please visit http://nswroads.work/daroobalgie